Best Friend

PART 1: Main character Vika
She worked as a police officer, she was a beautiful and amazing girl, but no one wanted to be friends with her, she became friends with one strange guy. This is strange, because he had a split personality. He was a good friend and acted very strangely. One day they were walking in the park, John became ill, and when he returned, there was blood on his hands, and then the fun began.